26 lines
643 B
C++
26 lines
643 B
C++
|
#include "opencv2/opencv.hpp"
|
||
|
|
||
|
using namespace cv;
|
||
|
|
||
|
int main(int, char**)
|
||
|
{
|
||
|
VideoCapture cap(0); // open the default camera
|
||
|
if(!cap.isOpened()) // check if we succeeded
|
||
|
return -1;
|
||
|
|
||
|
Mat edges;
|
||
|
namedWindow("edges",1);
|
||
|
for(;;)
|
||
|
{
|
||
|
Mat frame;
|
||
|
cap >> frame; // get a new frame from camera
|
||
|
cvtColor(frame, edges, CV_BGR2GRAY);
|
||
|
GaussianBlur(edges, edges, Size(7,7), 1.5, 1.5);
|
||
|
Canny(edges, edges, 0, 30, 3);
|
||
|
imshow("edges", edges);
|
||
|
if(waitKey(30) >= 0) break;
|
||
|
}
|
||
|
// the camera will be deinitialized automatically in VideoCapture destructor
|
||
|
return 0;
|
||
|
}
|